Yeah I am sick and tired of people who are living on the B-list
Yeah they're waiting to be famous, and they're wondering why they do this

Meaning

The narrative break in the song reveals itself in the middle eight, drawing a line between the Prufrock concept and reality. Turner goes on to state that, in fact, he is “sick and tired” of those who follow the aforementioned line of thought. This sudden change in angle often, understandably, confuses his fans.

The truth of the verse is revealed in the final line, where Turner criticises musicians for wondering “why they do this”. The implication being art is art for art’s sake, and not for the business of making money.